The rivet of cup round head is a special riveting piece.Chidutswa chonse cha riveting chimatha kukhazikitsidwa mosavuta ndi nyundo kapena chinthu cholimba.Kuthamangitsidwa kwa chikho chozungulira rivet kumafuna mfuti yapadera yowombera.
Zida:Chitsulo/chitsulo
Nthawi yotumiza: Mar-15-2021